Miele Washer Error Code F10

F10 on a Miele washer indicates a cold water intake fault. The machine attempted to fill with cold water but did not receive adequate flow within the required time. Causes include a closed supply faucet, low water pressure, a blocked inlet filter, a failed cold water inlet valve, or a WaterControl System shutoff triggered by a detected leak.

A reset may temporarily clear the F10 display, but if the underlying cause is not corrected, the fault will return as soon as the machine attempts to fill again. Address the supply, filter, or valve issue first, then restart the machine. If the WaterControl System triggered the shutoff, the source of the leak must be identified and resolved before normal operation can resume.

If the fix is simply cleaning the inlet filter screen or opening the supply faucet, there is no parts cost involved. If the cold water inlet valve has failed and needs replacement, parts and labor costs typically range from around $150 to $350 depending on your location and the service provider. Diagnosing a WCS-related shutoff may require a technician visit if the source of the leak is not immediately visible.

Start by confirming the cold water supply faucet is fully open and that household water pressure is normal. Then turn off the water supply, disconnect the cold water inlet hose from the back of the machine, and check the filter screen for debris, rinsing it clean if needed. If those steps do not resolve the fault, inspect the area around the machine for any signs of leakage that may have triggered the WCS shutoff, and consider testing or replacing the cold water inlet valve if the issue persists.

You should not continue running wash cycles while F10 is active. The machine is not receiving adequate water, which means it cannot complete the wash process correctly and running it in this condition risks damaging the pump and heating element. If the WCS triggered the fault due to a leak, continued use could also result in water damage to the surrounding area.